Key Executives for KPMG Cardenas Dosal, S.C.

KPMG Cardenas Dosal, S.C. Key Developments

Maxcom Telecomunicaciones S.A.B. de C.V. Announces Change of Auditor

Dec 6 13

Maxcom Telecomunicaciones S.A.B. de C.V. announced that the company's Board of Directors, as per recommendation of its Audit Committee, approved the appointment of PricewaterhouseCoopers, S.C. as the Company's independent auditor for the fourth quarter of 2013 replacing KPMG Cardenas Dosal, S.C.

Petroleos Mexicanos Announces Auditor Changes

Oct 29 13

Petroleos Mexicanos appointed BDO Castillo Miranda as the external auditor company's financial statements and the consolidated financial statements of Petr leos Mexicanos and its subsidiary entities for the fiscal years 2013 and 2014, prepared in accordance with Normas de Informaci n Financiera Gubernamental General para el Sector Paraestatal (Mexican Standards for Governmental Financial Information for Public Sector Entities). BDO will replace KPMG C rdenas Dosal, S.C., the external auditor of PEMEX's financial statements until 2012.

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